Home / 190,896.40-286,465.30-106,711.82

Finding the Fourth Proportional to 190,896.40, 286,465.30 and 106,711.82

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Solution

The fourth proportional to 190,896.40, 286,465.30 and 106,711.82 is: 160,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,896.40 : 286,465.30 = 106,711.82 : x
  2. Step 2: Convert to fraction form
    190,896.40/286,465.30 = 106,711.82/x
  3. Step 3: Cross multiply
    190,896.40x = 286,465.30 × 106,711.82
  4. Step 4: Simplify right side
    190,896.40x = 30,569,232,352.08
  5. Step 5: Solve for x
    x = 30,569,232,352.08/190,896.40
  6. Step 6: Final answer
    x = 160,135.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.